Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357181 | Hydroxybenzyl amines as corrosion inhibitors and paint adhesion promoters | Dieter Frank | 1982-11-02 |
| 4334887 | Method for flocculating metal oxide particles in an organic medium | Dieter Frank | 1982-06-15 |